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目的调查50%标示量不足量血制备的MAP悬浮红细胞和去白细胞悬浮红细胞储存期间的溶血率。方法分别采集12位志愿者的全血24 m L,在采血后4 h内混合,制备正常MAP悬浮红细胞、50%标示量的不足量血悬浮红细胞和去白细胞悬浮红细胞制剂并4℃保存,于0、7、14、21、28、35 d进行血细胞计数、红细胞比容和血浆游离血红蛋白的检测,计算储存期间红细胞制剂的溶血率。结果 50%标示量的不足量血MAP悬浮红细胞和去白细胞悬浮红细胞制剂储存期末溶血率均值为0.211%和0.153%;不足量血制剂储存期末溶血率显著高于正常红细胞制剂,而不足量悬浮红细胞和少白细胞悬浮红细胞之间差异有统计学意义。结论 50%标示量的不足量血制剂的储存期末溶血率低于0.8%,滤除白细胞可降低不足量血制剂储存期末溶血率。
Objective To investigate the hemolysis rate of MAP suspended erythrocytes and leucocyte suspension erythrocytes stored at 50% labeled dose in blood. Methods The whole blood of 12 volunteers was collected 24 m L and mixed within 4 h after blood sampling to prepare normal MAP suspended erythrocytes, 50% labeled amount of insufficient blood cells and leucocyte suspension erythrocytes and stored at 4 ℃ 0,7,14,21,28,35 d blood cell count, hematocrit and plasma free hemoglobin detection, calculate the hemolysis rate of erythrocyte preparations during storage. Results Insufficient amount of 50% labeled amount The average hemolysis rate of 0.2% and 0.153% at the end of storage of the MAP and the leucocyte suspension erythrocytes were significantly higher than that of the normal erythrocyte preparations at the end of storage, while the amount of suspended erythrocytes There was a significant difference between leucocytes and leucocytes. Conclusions The 50% labeled dose of undeclared blood preparations has a storage hemolysis rate of less than 0.8% at the end of storage, and leucocytes can be filtered to reduce the rate of hemolysis at the end of storage.